.center > div {
    border: 1px solid gray;
}

.content > div {
    display: flex;
    justify-content: center;
}

.content > div:nth-child(1) > div > div:nth-child(1) {
    display: flex;
    justify-content: center;
}

.content > div:nth-child(1) > div > div:nth-child(1) > div {
    display: flex;
    align-items: center;
}

.content > div:nth-child(1) > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) {
    color: rgb(230, 145, 55);
    font-size: 30px;
}

.content > div:nth-child(1) > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) {
    color: gray;
    font-size: 15px;
}

    /*------------------留言--------------------*/
/*.content > div:nth-child(2) > div {*/
/*    width: 600px;*/
/*    margin: 30px 0;*/
/*    !*border: 1px solid red;*!*/
/*}*/

.liuyan > div > div:nth-child(1) {
    line-height: 30px;
}

/*.liuyan > div > div:nth-child(2) {*/
/*    border: 1px dashed gray;*/
/*    background-color: rgb(238, 238, 238);*/
/*    height: 30px;*/
/*    padding: 0 20px;*/
/*    line-height: 30px;*/
/*}*/

/*.liuyan > div:last-child > div:nth-child(2) {*/
/*    height: 100px;*/
/*    line-height: 20px;*/
/*}*/

form > div:nth-child(2) {
    display: flex;
    justify-content: center;
}

/*元素选择器*/
form {
    width: 600px;
    margin: 30px 0;
    /*border: 1px solid red;*/
}

/*分组选择器*/
/*input[type=tel], input[type=text], input[type=email], textarea {*/
input[mywidth=a], textarea {
    width: 560px;
    border: 1px dashed gray;
    background-color: rgb(238, 238, 238);
    height: 30px;
    padding: 0 20px;
    line-height: 30px;
}

textarea {
    height: 100px;
    line-height: 20px;
}

input[type=submit] {
    margin: 30px 0;
    padding: 10px 50px;
    background-color: rgb(230, 145, 55);
    color: white;
    cursor: pointer;
    /*box-shadow: 10px 10px 10px 10px coral;*/
    border-radius: 0 40px 40px 0;
}

/*.content > div:nth-child(2) > div > div:nth-child(2) > div {*/
/*    margin: 30px 0;*/
/*    padding: 10px 50px;*/
/*    background-color: rgb(230, 145, 55);*/
/*    color: white;*/
/*    cursor: pointer;*/
/*    !*box-shadow: 10px 10px 10px 10px coral;*!*/
/*    border-radius: 0 40px 40px 0;*/
/*}*/
